To provide a tricycle that reduces stress on a bicycle structure, is foldable in one-touch, enables comfortable ride, easy carriage and storage, and hinders rolling.SOLUTION: Solving means for the invention of the present application is characterized by a frame structure in which a sub-keel 10 is added to a front keel 9 and also characterized by comprising: bending means foldable in one-touch; a seat plate 22 with a backrest 25; a cushioning member 35 that hinders rolling; and a cushioning member support 36.SELECTED DRAWING: Figure 1

    【課題】本願発明の課題は、自転車構造体に掛かるストレスを軽減し、ワンタッチ折りたたみ可能、安楽姿勢な乗車、容易な運搬・収納ができ、横揺れを抑えた三輪自転車を提供することを課題とする。【解決手段】本願発明の解決手段は、前キール9にサブキール10を付加することによるラーメン構造化、ワンタッチ折りたたみ可能な屈曲手段、背凭れ25を有する座板22、ローリングを抑制する緩衝材35、緩衝材支え36を備えることを特徴とするものである。【選択図】図1


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    Title :

    FRONT-WHEEL DRIVE BICYCLE


    Additional title:

    前輪駆動自転車


    Contributors:
    SEKINE JIRO (author)

    Publication date :

    2019-03-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62K Fahrräder , CYCLES



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